25 results
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
used to detect atrial ... atrial flutter ... clinically, based on signs ... depolarization, atrial ... #Cardiology #EKG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Morphology = multifocal atrial ... • Saw-Tooth = Atrial ... Interpretation #ECG ... Electrocardiogram #cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... includes: stage 1 ... leads indicates atrial ... patients) stage 4 - ECG ... Diagnosis #EM #IM #Cardiology
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on POCUS Echocardiogram ... Triage EKG (no prior ... , and additional ... #A4c #clinical ... #cardiology #McConnells
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... common finding) • Atrial ... also a result of atrial ... #EKG #Pulmonary ... AcutePE #diagnosis #cardiology
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
, Symptoms and Management ... despite hx HTN) EKG ... pseudoinfarct pattern (Q-waves ... precordial leads) - atrial ... #Symptoms #Cardiology
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... High rate in <1 ... without chest pain, as ... Serial EKGS in pts ... #Diagnosis #Cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... upsloping ST dep and ... electrocardiogram #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... #differential #cardiology
Atrial septal defect

An ECG may show the “crochetage” pattern (92% specific)—a notch near the apex of
Atrial septal defect ... apex of the R wave ... #EKG #Cardiology ... #Crochetage #Sign ... #ASD